. >>> in libya, the u.s. is withdrawing more of its diplomat personnel. the drawdown involves some of the embassy staff in tripoli. the state department says the move is temporary and could be reversed next week. a statement on the embassy website warns of possible demonstrations in tripoli and benghazi today. libya's leader says about ten militia groups have been disbanded, calling the attack on the u.s. consulate the final straw. speaking at the pentagon yesterday, secretary of defense leon panetta says there's no doubt the attack on the u.s. consulate in benghazi was the act of terrorists. >> the reason i think pretty clearly it was a prift attack, is because a group of terrorists obviously conducted that attack on the consulate. and against our individuals. what terrorists were involved i think still remains to be determined by the investigation. >> originally the administration said the attack was lmpged to protests over an anti-islam movie that escalated. u.s. ambassador chris stevens and three others were killed. >>> the man who produced that movie